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🇺🇸 Weather in Rancho Cucamonga

Current Weather in Rancho Cucamonga

Mist
28°C
Feels like 27°C. Mist.
🌬️ 11 km/h SW
💧 44% Humidity
🧭 1011 hPa
👁️ 9.7 km Visibility
☀️ UV Index: 10.0
🌡️ Dew Point: 15°C
🌅 Sunrise: 05:38 AM
🌇 Sunset: 07:58 PM
Map Overlays:

In Rancho Cucamonga right now it is 28°C and mist, feeling like 27°C. Humidity is 44% with winds around 11 km/h, and the UV index is 10 (very high). Over the next few days, temperatures in Rancho Cucamonga range from about 14°C to 35°C.

Hourly Forecast for Rancho Cucamonga

13:00
Sunny
33°
0%
14:00
Sunny
34°
0%
15:00
Sunny
34°
0%
16:00
Sunny
32°
0%
17:00
Sunny
30°
0%
18:00
Sunny
28°
0%
19:00
Sunny
24°
1%
20:00
Clear
22°
1%
21:00
Clear
21°
3%
22:00
Clear
20°
1%
23:00
Clear
19°
1%
00:00
Clear
18°
1%
01:00
Clear
18°
1%
02:00
Clear
17°
1%
03:00
Clear
17°
1%
04:00
Clear
16°
1%
05:00
Clear
16°
1%
06:00
Sunny
18°
1%
07:00
Sunny
19°
1%
08:00
Cloudy
20°
3%
09:00
Partly Cloudy
22°
2%
10:00
Cloudy
23°
2%
11:00
Overcast
25°
4%
12:00
Overcast
26°
3%

14-Day Forecast for Rancho Cucamonga

Fri, Jun 05
Partly Cloudy Partly Cloudy
35° / 14°
Sat, Jun 06
Partly Cloudy Partly Cloudy
28° / 16°
Sun, Jun 07
Sunny Sunny
27° / 14°
Mon, Jun 08
Sunny Sunny
28° / 14°
Tue, Jun 09
Sunny Sunny
27° / 16°
Wed, Jun 10
Sunny Sunny
29° / 16°
Thu, Jun 11
Sunny Sunny
31° / 16°
Fri, Jun 12
Sunny Sunny
34° / 17°
Sat, Jun 13
Sunny Sunny
36° / 20°
Sun, Jun 14
Sunny Sunny
38° / 22°
Mon, Jun 15
Sunny Sunny
37° / 22°
Tue, Jun 16
Sunny Sunny
33° / 20°
Wed, Jun 17
Sunny Sunny
33° / 18°
Thu, Jun 18
Sunny Sunny
35° / 16°

Additional Forecasts for Rancho Cucamonga

Air Quality

💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 138.0 μg/m³
O₃ (Ozone) 154.0 μg/m³
NO₂ (Nitrogen Dioxide) 3.7 μg/m³
SO₂ (Sulphur Dioxide) 2.4 μg/m³
PM2.5 (Fine particles) 18.5 μg/m³
PM10 (Coarse particles) 27.1 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in Rancho Cucamonga Today

The most comfortable window in Rancho Cucamonga today looks like 20:00 to 22:00, when it is around 21°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Rancho Cucamonga

What is the temperature in Rancho Cucamonga right now?

The current temperature in Rancho Cucamonga is 28°C (82°F), mist (feels like 27°C).

What's the weather like in Rancho Cucamonga right now?

Conditions in Rancho Cucamonga right now: Mist, humidity 44%, wind 11 km/h SW.

What is today's forecast for Rancho Cucamonga?

Today in Rancho Cucamonga: high 35°C, low 14°C, partly cloudy. Chance of rain: 2%.

What is the 7-day weather forecast for Rancho Cucamonga?

Daily highs and lows for Rancho Cucamonga:

  • 2026-06-05: 35°C / 14°C
  • 2026-06-06: 28°C / 16°C
  • 2026-06-07: 27°C / 14°C
  • 2026-06-08: 28°C / 14°C
  • 2026-06-09: 27°C / 16°C
  • 2026-06-10: 29°C / 16°C
  • 2026-06-11: 31°C / 16°C
Is it going to rain in Rancho Cucamonga today?

There is a 2% chance of rain in Rancho Cucamonga today.

What is the wind speed in Rancho Cucamonga right now?

Wind in Rancho Cucamonga is currently 11 km/h (7 mph) from the SW.

What is the UV index in Rancho Cucamonga right now?

The UV index in Rancho Cucamonga is currently 10 (very high). Sun protection is recommended when the index is 3 or higher.

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